As
invasions go, the cyber attacks launched against the campus
last month could be judged to be in the order of magnitude of
D-Day.

These
invaders, though, did not come in one massive assault over a
single morning, nor did they come neatly dressed in uniforms
that clearly identified them as attackers.

They
came instead as worms and viruses over a span of three weeks,
using different names and stealthy guises with the aim in some
cases of breaking through defenses by hiding the fact they were
even there.
...